People from across  Serbia  gathered in Novi Sad on Saturday to observe the first year anniversary of the tragic collapse of a railway station roof that killed 16 people. Tens of thousands of Serbians gathered in silence in downtown Novi Sad at 11:52 a.m. (1052 GMT), at the exact moment the roof collapsed last year. They held 16 minutes of silence for the collapse's 16 victims. The incident has sparked the largest protest movement in Serbia's modern history, as the student-led protests blame